Method and apparatus for making pasters between the webs of successive rolls of paper supplying a printing press



Jan. 24, 1933. L. M. STRAND 1,895,425

METHOD AND APPARATUS FOR MAKING PASTERS BETWEEN THE WEBS OF SUCGESSIVEROLLS OF PAPER SUPPLYING' A PRINTING PRESS Filed Nov. 20. 1931 7Sheets-Sheet 1 31 l/de K /6/ Jan. 24, 1933. M. STRAND 1,

METHOD AND APPARATUS FOR MAKING PASTERS BETWEEN THE WEBS OF SUCCESSIVEROLLS OF PAPER SUPPLYING A PRINTING PRESS Filed Nov. 20, 1931'Tsheets-sheet 2 Jan. 24, 1933.

L. M. STRAND METHOD AND APPARATUS FOR MAKING PASTERS BETWEEN THE WEBS OFSUCGESSIVE ROLLS OF PAPER SUPPLYING A PRINTING PRESS Filed Nov. 20, 19517 Sheets-Sheet 3 1,895,425 METHOD AND APPARATUS FOR MAKING PASTERSBETWEEN THE WEBS OF Jan. 24, 1933. L. M STRAND SUCGESSIVE ROLLS OF PAPERSUPPLYING A PRINTING PRESS v 7 Sheets-Sheet 4 Filed NOV. 20, 1931 ZfiamiI 1 A 1 d m .h 5 WI\\QM Jan. 24, 1933. L M s b 1,895,425

NG PASTERS BETWEEN THE W METHOD AND APPARATUS FQR MAKI BS OF- SUCCESSIVEROLLS OF PAPER SUPPLYING A PRIN G PR Filed NOV. 20, 1931 Shee -Sheet 5Jan. 24, 1933. L. M. STRAND 1,895,425

METHOD AND APPARATUS FOR MAKING PASTERS BETWEEN THE WEBS OF SUCCESSIVEROLLS OF PAPER SUPPLYING A PRIN G PR Filed Nov. 20, 1951 Shee -Sheet 6Jan. 24, 1933. STRAND 1,895,425

METHOD AND APPARATUS FOR MAKING PASTERS BETWEEN THE WEBS OF SUCCESSIVEROLLS OF PAPER SUPPLYING A PRINTING PRESS Filed Nov. 20, 1931 7Sheets-Sheet 7 Patented Jan. 24, 1933 UNITED STATES PATENT OFFICE LOYDM. STRANI OF CHICAGO, ILLINOIS, ASSIGNOR TO ALLAN J. GLINE, OF

ILLINOIS METHOD AND APPARATUS FOR MAKING PASTERS BETWEEN THE WEBS OFSUCCESSIVE ROLLS OF PAPER SUPPLYING A PRINTING PRESS Application filedNovember 20, 1981.

This invention relates to a method and apparatus for supplying paper toprinting presses and particularly to a method and ap paratus for makinghigh speed pasters between the-webs of successive rolls of papersupplying the press. I

Heretofore in making pasters it has been the general practice to coatthe leading edge of the reserve roll with a strip of non-drying 1 glueor paste, and then move the roll into close proximity to the running webwithout, however, allowing the web to engage the roll. As the activeroll is about to expire the press is slowed down to threading speed andthe reserve roll is brought into contact with the expiring web and,after a partial revolution of the roll, the wet paste contacts with andadheres to the expiring Web, the latter being then severed and the pressbeing gradually 23 returned to operating speed. Because of the greatweight of the reserve roll it is impossible to bring it up to full pressspeed by the action of the running web thereon during the partialrotation of the roll which occurs 25 before the adhesive thereoncontacts the web.

The principal object of this invention is to provide means for shieldingthe adhesive on the reserve roll so that the latter may rotate incontact with the running web, or other 3: means for bringing the roll upto speed, with out having its leading edge adhere thereto, and incombination therewith a release mech anism which automatically removessaid shielding means to expose the adhesive to contact with the expiringweb when the reserve roll has attained substantially press speed, thustransferring the feed from the active roll to the reserve roll withoutmaterially, if at all, reducing the speed of the 10 press. I

Another object of the invention is to provide means operative uponrelease of the shield to bring the latter to a stop in such position asto avoid interference with the 43 withdrawal of the web from the newlysubstituted roll.

Another object of the invention is to provide means for bringing theshield to a stop in such position relative to the roll support as topermit loading of a reserve roll on the Serial No. 576,300.

- detailed description, which, taken in connection with the accompanyingdrawings, discloses a preferred embodiment thereof.

Referring to the drawings:

Fig. 1 is an end elevational view of a reel in which the invention isembodied, the upper end of the reel upright being broken away toillustrate parts of the shield control mechanism;

Fig. 2 is an end elevational view of the reel taken from the endopposite to that shown in Fig. 1, and also showing in diagrammatic formthe'automatic control means for starting rotation of the reel as the Webis about to expire;

Fig. 3 is a section through one of a pair of roll supporting arms takenon line 33 of Fig. 5, the view showing the construction of the shieldand the means for clamping the same against the roll;

Fig. 4 is a' transverse section through the shield showing theconstruction of the shield and its relation to the roll when clampedthereon; V

Fig. 5 is a sectional view of the roll sup porting structure, thesection being taken on line 55 of Fig. 3 and showing the reserve roll inthe loading position with the shield in the released position; 7

' Fig. 6 is a view similar to Fig. 5 but showing the position of theparts with the shield in clamped position and the reserve roll inposition for themaking of the paster;

Fig. 7 is a section through the reel shaft and a portion of the shieldoperating mechanism, the section being taken on line 77 of Fig.5; .7

Fig. 8 is a section through a portion of the shield operating mechanismtaken on line 88 of Fig; 5; i

Fig 9 is a view of thetiming cam which 100 controls the release of theshield, the view being taken on line 9-9 of Fig. 7

Fig. 10 is a broken elevational view of one of the rotatable end platesand the shield supporting arm which is mounted thereon;

Fig. 11 is a perspective view of a roll of paper showing the manner inwhich the leading edge of the web is prepared for making the paster; and

Fig. 12 is a section through one of the shield supporting arms taken online 12-12 of Fig. 3.

Briefly, the invention consists in providing a shield on the reserveroll for covering an adhesive thereon until such time as it is desiredto make the paster. The shield is arranged to" be releasably clamped tothe reserve roll at the desired point, and both the shield and theclamping means therefor rotate as a unit with the roll so long as theshield remains in the clamped position. After the reserve roll has beenbrought up to the desired speed the shield is released, thereby exposingthe adhesive, which is then brought into pressure contact with theexpiring web to which it adheres, thus effecting transfer of the feed tothe reserve roll. Immediately upon the release of the shield, both theshield and the clamping means therefor are brought to a stop in suchposition as to avoid interference with the withdrawal of the web fromthe newly substituted roll.

The provision of a shield on the reserve roll for covering the adhesivethereon is perhaps particularly applicable in cases where it is desiredto bring the reserve roll up to running speed by the action of therunning web thereon. However, the invention also contemplates the use ofsuch a shield in cases where running belts such as shown in UnitedStatesPatent No. 1,738,002, or other means, are provided forpreliminarily bringing the reserve roll up to speed before it is movedagainst the running web.

Considering the drawings in detail, and particularly Figs. 1 and 2,wherein the general construction of the reel is shown, the numerals 15and 16 designate the reel uprights in the upper ends of which isjournaled a shaft 17 the latter being provided near its opposite endswith spiders 18 and 19 which are keyed to the shaft by means of a key 21which permits longitudinal adjustment of the spiders to accommodaterolls of varying width. In the embodiment shown the reel is of thetwo-arm type, the spiders 18 and 19 each having oppositely disposed arms22 and 23, the arms 22 being provided with chucks 24. and the arms 23being provided with chucks 25. The chucks 24 and 25 include rollsupporting spindles designated respectively by numerals 26 and 27, thespindles 26 affording free rotational support for an active orrunning-roll 28, and the spindles 27 similarly affording free rotationalsupport for a reserve roll 29. The chucks 24 and25 on one of the spidersare provided with adjusting means 31 which permits the roll engagingspindles to be moved suficiently to effect engagement and release of theroll.

In the normal running position the reel spiders are positioned at anangle of approxi mately 45 degrees, as shown in Figs. 1 and 2, the web32 from the active roll 28 passing upwardly over a guide roller 33, andthence into the press. An external tension mechanism consisting of aplurality of straps 34 is provided for controlling the withdrawal of theweb from the running roll. The lower ends of the tension straps 34 areyieldingly connected by springs 35 to fixed points at the base of thereel and the upper ends of said straps extend over a roller 36 to asuitable take-up drum (not shown) which may be actuated by a torquemotor, or equivalent means, to produce tension on the straps. Furtherdetails of the tension mechanism are not shown since the tensionmechanism in and of itself forms no part of the present invention.

The rolls are adapted to be moved bodily by turning of the reel shaft17, together with spiders 18 and 19, the means for turning said shaft inthe embodiment shown consisting of a worm wheel 37, which is keyed toreel shaft 17 and which meshes with a worm gear 38, the latter beingjournaled at its opposite ends in bearings 39 carried by upright 16. Anelectric motor 41, mounted on a fixed base 42, and having its armatureshaft operatively connected with the shaft of worm gear 38, affordsmotive power for turning the reel shaft. It will be apparent that whenthe reel shaft 17 is turned in a clockwise direction, viewing Fig. 1,through an angle of 180 degrees, the reserve roll 29 will be moved fromloading to running position while at the same time the core of exhaustedroll 28 will be returned to loading position where it may be removed anda fresh roll inserted.

The manner in which the leading edge of the reserve roll is prepared isshown in Fig. 11. A strip 43 of an adhesive of the nondrying type isapplied to the leading edge of the web, the latter being tacked down byfrangible stickers 44 which prevent air currents from lifting up the endof the web while the roll is rotating and after the shield has beenremoved. If desired, instead of using stickers 44, the end of the webmay be held down by treating the inner surface thereof with hard cupgrease. The corners of the leading edge are cut away, as indicated at45, in order that they may not impede free passage of the web throughthe press.

Considering now the means provided for shielding the adhesive 43 duringpreliminary rotation of the reserve roll, reference is first made toFigs. 3 and 4. The numeral 46 designates a shield which preferablyconsists of a piece of thin sheet steel which is bent into an are havinga diameter slightly less than the.

diameter of a full roll. A corrugated reinforcing strip of duralumin 47is positioned adjacent the concave face of the shield and is secured tothe latter by being crimped along its opposite longitudinal edges overthe adjacent edges of the shield, as indicated at 48. As will presentlyappear, in the embodiment 'shown the shield is arranged to rotate withthe reserve roll while the latter is contacting the running web. Ittherefore must be of such shape as not to interfere with the normaltravel of the web into the press. As illustrated in Fig. 4, thecurvature of the shield is formed in the ends of spider arms 23. The

shield supporting arms 49, as shown in Fig. 12, consist of a main web orbody portion 54 which is reinforced by an inwardly projecting tongueportion 55. As will presently appear, the apertures or sockets 51 areprovided to accommodate the shield to rolls of different diameters. Theshield is provided at its opposite ends with wall portions 56 which areapertured to receive spring-pressed plungers 57, the latter projectingoutwardly from Wall portions 56 and being provided at their inner endswith finger pieces 58 by means of which the plungers may be pressedinwardly to free them from the cooperating sockets 51 formed in arms 49.This type of demountable connection between the shield and itssupporting arms allows the shield to rock sufficiently on its axis toallow proper seating against the face of the roll. Also the provision ofthe spaced apertures 51 allows the shield to be positioned in whicheverpair of apertures may correspono to the approximate diameter of theroll. As will presently appear, the shield 46 is'arranged to be drawninwardly into clamping engagement with the roll surface and it will benoted from Fig. 3 that the shield is of such length that the end wallportions 56 are located beyond the ends ofthe roll so as to allow thecylindrical body portion of the shield to move into close contact withthe roll surface. i

The end plates 52 are arranged to rotate freely on-hubs 53 through theprovision of roller bearings 59, said bearings and the end plates beingheld on hubs 53 by collars 61 which are secured by screws 62 (Fig. 10)to the inner ends of said hubs. The web portion of each end plate 52 isbent or cupped outwardly as showniin Fig. 3, and shield supporting arm49 extends through the outwardly curved brim portion of the plate, theweb portion of the latter being struck outwardly as indicated in Figs.10 and 12 to provide a radial slot 63 for receiving the tongue portion55 of said arm, the web portion 54 of the arm extending through anopening 64 formed in the edge portion of the end plate. The shield 46,the supporting arms 49, and the end plates 52, are arranged to rotatebodily with the roll when the shield is in clamped position, and byextending the inner ends of arms 49 through the webs of end plates 52 inthe manner shown a firm connection is provided between said arms andthe-end plates while at the same time permitting of radial movement ofthe arms.

Referring toFig. 5, the inner ends of shield supporting arms 49terminate in U-shaped members 65, the opposite arms of which havesliding engagement with retaining pieces 66, the latter being-secured tothe web portion of end plates 52. A second pair of retainers 67, whichare also carried by plates 52, slidably engage the arms 49 near thepoints of connection between the main portion of the arms and theU-shaped members 65. The retainers 66 and 67 thus serve to guide theradial movement of arms 49 and also serve as a means for limiting theextent of such radial movement.

In the position of the parts shown in Fig. 5, shield 46 is'in thereleased position so that a new roll may be placed on the reel armswithout interference from the shield. After thenew roll has been securedin position on the arms, with the leading edge of the web 7 prepared inthe manner already described, shield 46 is clamped against the roll,overlying the glue as shown in Fig. 4. The clamping means is arranged tooperatesimultaneously on both of the supporting arms 49 and since it isthe same for each arm it will be described in the singular. Itcomprises: a curved lever 68, pivoted at 69 to end plate 52; a limitbolt 71, pivotally secured at its inner end to a lug 72 carried by arm49, the shank of said bolt being provided with a coil spring 73 whichbears at one end against lug 72 and at its opposite end against a lug 74carried by lever 68; a retaining latch 75 carried on a pivot pin 76,said latch having a retaining nose 77 for engaging a shoulder 78formed on lever 68; and manually operable means for pushing lever 68inwardly into latching engagement with latch 75, said last ment'onedmeans including an arm 79, pivotally secured at 81 to the roll supportarm and provided at its free end with a roller 82, a bell crank 83secured to a shaft 84, the latter extending parallel to reel shaft 17and a link 85 pivotally connected at one end to arm 79, the other end ofsaid link being pivotally connected at 86 to an arm 87 of hell crank 83Continuing the reference to Fig. 5, it Wall be noted that an externaldrum housing 88 is formed in the frame of roll support arm 23, saidhousing extending completely around the periphery of end plate 52. Aportion of this housing, however, is broken away as indicated at 89 toallow arm 79 and roller 82 to move inwardly against lever 58. it will beapparent that when roller 82 is caused to bear down on lever 68 thelatter will be moved inwardly and, through the yielding connectionbetween lever 68 and arm 49 provided by limit bolt 71 and spring 73, arm49 will be likewise drawn inwardly, thereby drawing shield 46 againstthe face of the roll, it being understood that both of the arms 49 atthe opposite ends of the roll are moved inwardly simultaneously. Latch75 is yieldingly held in latched position by means of a bolt 91, theshank of which carries a spring 92 which bears at one end against thelatch and at the other end against a lug 93 carried by end plate 52. Theclamped position of the parts is shown in Fig. 6. The latch may bemanually released by turning a hand-piece 30 (Fig. 10) carried on theinner end of pin Lever 68 and supporting arm 49, which is yieldinglyconnected thereto, are returned by spring action from clamped tounclamped position. The means provided for this purpose consists of aheavy coil spring 94 which is carried on the shank of a pin 95, thelatter being pivoted at 96 to end late 52 and the shank thereof havingsli ing engagament with a lug 97 carried by lever 68. The tendency ofspring 94 to expand outwardly against lug 97 is sufiicient to returnlever 68 and the associated shield supporting arm 49 to unclampedposition whenever latch 75 is disengaged from shoulder 7 8.

The provision of the yielding connection between lever 68 and arm 49allows the shield to be filrmly clamped against the face of the rollregardless of variations in the diameter of the roll, this yieldingconnection being adapted to accommodate the shield to rolls of variousdiameters within the limits of the spacing of adjacent pairs ofapertures 51 in the arms 49. If the rolls vary in diameter greatly theapproximate setting of the shield, as previously explained, is obtainedby shifting it to that pair of the apertures 51 which approximatelycorresponds to the diameter of the roll.

Arm 79 and roller82 are moved inwardly to effect setting of lever 68 byturning shaft 84 in a counter-clockwise direction, viewing Fig. 5, themotion thus imparted to hell crank 83 being transmitted through link 85to arm 79. Shaft 84 is turned to thus efiect setting of the shield toclamped position by means of a hand lever 98 which is keyed to saidshaft by means of a longitudinally extending key 99. As shown in Figs. 1and 7, hand lever 98 is mounted on shaft 84 within the hub portion ofspider 18 and is movable with said spider along the reel shaft. The handlever is held in neutral position by means of springpressed plungers 101and 102 which are mounted, respectively, in housings 103 and 104 carriedby the spiderframe, said plungers acting in opposite directions againstan arm 105 which is formed as an integral part of lever 98. It is onlynecessary to provide one hand lever 98 for each roll inasmuch as theturning of shaft 84 operates the shield-clamping means for both ends ofthe roll. Shaft 84 is journaled at its opposite ends in end plates 106(one shown, Fig. 7) which are carried by reel shaft 17 and which rotatewith said shaft when the latter is turned to change the position of therolls.

It is necessary to provide means for operatively connecting the endplates 52 at the opposite ends of the roll so that when the shield is inclamped position said end plates will rotate in unison, thus maintainingsupporting arms 49 in the same radial position. The means provided forthis purpose is best shown in Figs. 5 and 8 and comprises: a shaft 107,journaled at its opposite ends in plates 106; gear wheels 108, keyed bymeans of a longitudinally extending key 109 to shaft 107; and idler gearwheels 11 1, rotatably supported on pins 112 carried by the reelspiders. End plates 52 are provided with gear teeth 113 which mesh withthe teeth of idlers 111, the latter in turn meshing with gear wheels 108on shaft 107. Gear wheels 108 and 111 are enclosed within the housing ofthe reel spiders by cover plates 114 which are removably secured to theinner faces of the spiders. Tt will be thus apparent that for a givenroll, end plates 52, and shield supporting arms 49 which turn therewith,are connected through shaft 107 and gears 108 and 111 so as to rotate asa unit with the roll when the shield is in the clamped position.

The mechanism provided for releasing the shield from the reserve rollafter the latter has attained the desired speed preparatory to makingthe paster, will now be described, reference being had to Figs. 5 and 6.The mechanism provided for releasing each of the arms 49 is duplicatedfor the opposite ends of the roll, and hence will be described in thesingular. A trip lever 115, pivoted at 116 to the spider frame, isopcratively connected with shaft 84 through a link 117, one end of whichis pivotally connected at 118 to lever 115, the other end of said linkbeing pivotally connected to an arm 119 of hell crank 83. Trip lever 115is provided with a nose portion 121 which projects through an opening122 in drum housing 88 to lie in proximity to the path of travel of atip portion 123 of release latch 75. When hand lever 98 is held in itsnormal neutral position, which is the 75 when the latter rotates in acounter-clockwise direction. However, means is provided for throwingrelease lever 1'15 inwardly to the position shown in Fig. 6 to effectrelease of the shield when it is desired to make the paster.

The means for actuating release lever 115 operates in timed relationwith the rotation of the reel and is illustrated in Figs. 1, 7, and 9.Secured to upright 15 is a face cam 124 having an annular cam groove 125which extends completely around the cam, except for a clearance portion126. Secured to the end of shaft 8 1 is a cam arm 127 having a camroller 128 thereon which is received in groove 125. As the reel isturned in a clockwise direction, viewing Fig. 1, to bring reserve roll29 into contact with the expiring web of roll 28, cam roller 128 movesin groove 125 in a counter-clockwise direction, viewing Fig. 9, until itstrikes a shoulder 129. As the reel continues to turn after roller 128strikes shoulder 129, cam arm 127 is moved inwardly into the dwellingportion 131 of cam groove 125, said dwellin portion of the grooveextending from shoul er 129 to a second shoulder 132, the purpose ofwhich will presently be explained. The turning of shaft 84 produced bythe riding of roller 128 over shoulder 129 throws trip lever 115 fromthe position shown in Fig. 5 to the position shown in Fig. 6, in whichposition it will be noted that the nose portion 121 is in the path ofthe tip 123 of latch lever 75. After roll 29, together with shield 46and end plates 52, turns in a counterclockwise direction, viewing Fig.6, far enough to bring latch opposite trip lever 115, latch 75 will bereleased from lever 68 and the shield will be immediately raised fromthe roll by springs 94, it being understood that this release of theclamping means is effected. simultaneously at each end of the roll. Theadhesive being thus exposed to contact with the running web, adheres tothe web and connects the end of the reserve roll thereto, after whichthe web from the expiring roll is severed.

It will be noted that shoulder 129 of cam is located somewhat less than180 in advance of clearance portion 126. As the runnin web approachesthe core it assumes a more nearly vertical position, and hence willengage the reserve roll before the latter has been moved through 180 tonormal running position. By locating shoulder 129 in the position shown,release of the shield is effected as soon as the reserve roll hasrotated against the running web long enough to bring it up to pressspeed. The making of the paster is thus completed somewhat before thereserve roll is brought to running position.

It is further to be noted that release of the shield is not eflecteduntil after the same has turned away from the position in which itcontacts the web. In Fig. 6 the shield is about to move against therunning web. However, it will not be released until it has turned in acounter-clockwise direction through an angle of about 210 from theposition shown in Fig. 6, that being the angular distance through whichlatch 75 must move before it strikes lever 115. A fixed relation is thusmaintained between the position of the reel spiders and the position ofthe shield at the instant of its release, thereby insuring that theshield will never be released during the interval in which it contactsthe running web.

After the shield is released in the manner just described, it is broughtto a stop in such position as to avoid interference with the runningweb. The means provided for stopping rotation of the shield after it hasbeen released is shown in Fig. 5. This mechanism, which is duplicatedfor each end of the roll, comprises: a brake shoe 133, pivoted at 134:to lever 68, and having a brake lining 135 on the face thereof forengaging drum 88; a

cam piece 136, carried on one end of lever 68; and a stop arm 137,pivoted at 138 to the spider housing, and provided at its opposite endwith a pin 139 for engaging cam piece 136.

Stop arm 137 has a pin-and-slot connection with link 117, as indicatedat 1 11. When lever 68 is in clamped position, as shown in Fig. 6, thearm thereof which carries cam piece 136 is close to the edge of plate 52and is out of the path of stop pin 139, thereby allowing an unobstructedrotation of said end plate. fv'hen, however, lever 68 is thrownoutwardly to release the shield, brake shoe 133 is thrown against theinner face of drum 88 and is forced into braking engagement therewith bythe riding of cam piece-136v against stop pin 139. End plates 52,together with shield supporting arms 49 and the shield 46, are thusbrought to a sudden stop with the shield positioned at the bottom of theroll as shown for roll 28 in Fig. 1, thereby avoiding interference withthe running web.

t will be noted from Fig. 9 that the dwelling portion 131 of the camgroove extends from shoulder 129 to shoulder 132. So long as roller 128remains in this portion of the groove the brake arm 137 remains inbraking position with pin 139 clamped against cam piece 136. However,when the reel has turned far enough to bring roller 128 against shoulder132, shaft 8% is turned sufficiently to withdraw pin 139 from clampingengagement with cam piece 136 and also at the same time trip lever 115is removed from the path of travel of latch 75. This is arranged to takeplace just before the expired roll is returned to loading position. Whenthe loading posi= tion is reached, the cam roller 128 is in theclearance portion 126 of the groove to permit resetting of the shieldthrough the operation of hand lever 96.

While the foregoing detailed description of the shield mechanism andrelated parts has been confined to the shield 46 which is associatedwith reserve roll 29,it will be understood that this means is duplicatedfor running roll 28. The mechanism, however, which is associated withroll 28 is not shown completely in detail since it is identical inconstruction with the means described for roll 29. The shield which isprovided for roll 28 is shown in the general views of Figs. 1 and 2, andis designated by numeral 142, the supporting arms being indicated at143. The hand lever for clamping down shield 142 is indicated at 144,the latter being held in neutral position by spring-pressed plungers 145and 146 in the same manner as described in connection with hand lever98. The cam arm which times the release of shield 142, and whichcorresponds to the arm 127 for shield 46, is indicated at 147. A camroller 148 is carried on arm 147 and is received in groove 125 in thesame manner as described in connection with roller 128. The timingmechanism for both shields is therefore controlled. by the same cammeans 124, the only differ ence being that arms 127 and 147 are disposedat an angle of 180 relative to one another to correspond to thepositioning of the rolls with which they are associated. If it isdesired to employ a reel having more than two arms the shield mechanismwill be duplicated for each of the rolls and cam means 124 will be sodesigned as to time the release means in accordance with the extent ofmovement of the reel required to bring a reserve roll to pastingposition.

It is believed thata brief statement of the sequence of steps involvedin the operation of the shield and the mechanism associated therewithwill aid to a clearer understanding of the invention. With the reel inthe loading position shown in Fig. 1, and with shield 46 in releasedposition, reserve roll 29 may be mounted on spindles 27 withoutinterference from the shield. After the roll is thus mounted on thereel, the leadin edge thereof having been tacked down an treated withadhesive, the roll is turned by hand until the adhesive-treated portionthereof lies below shield 46. The operator then clamps the shieldagainst the roll to cover the adhesive by pulling downwardly on handlever 98, the turning of shaft 84 (Fig. 5) produced by such movement ofthe leverserving to move arms 79 at the opposite ends of the rollinwardly into engagement with levers 68. Shield supporting arms 49,which are yieldingly connected with levers 68, are thus moved inwardlywith the latter to bring shield 46 against the face of the roll. As handlever 98 continues to move downwardly, levers 68 move into latchingengagement with latches 131 of cam groove 125.

manages 75, springs 73 and 94 yielding sufficiently to allow inwardmovement of said levers after the shield has engaged the roll surface.The movement of levers 68 to latched position moves cam pieces 136outwardly to avoid interference with stop pins 139. The clamped positionof the parts is shown in Fig. 6.

After hand lever 98 has thus been manipulated to clamp the shieldagainst the face of the roll, the reel is turned in a clockwisedirection, viewing Fig. 1, to move roll 29 into pressure contact withexpiring web 32. During this interval of turning of the reel, cam roller128 (Fig. 9) is traversing the portion of cam groove 125 which liesbetween clearance portion 126 and shoulder 129, this interval of turningbeing somewhat less than 180. Release of the shield is effected shortlyafter roller 128 strikes shoulder 129, the turning of shaft 84 producedby such engagement serving to move trip levers 115 inwardly to theposition shown in Fig. 6, in which position they will strike the tips oflatches 7 5 as.

soon as the roll has turned far enough to bring said latches oppositethe nose portions 121 of the trip levers. The shield will thus bereleased while the reserve roll is rotating in contact with web 32 andwhile the shield itself is out of contact with said web. Incident to therelease of the shield, levers 68 are thrown outwardly by springs 94 tobring cam pieces 136 into the path of stop pins 139. After the shield isreleased the inertia of end plates 52 will cause it to continue torotate until it is at the bottom of the roll, at which time cam pieces136 engage stop pins 139 to positively clamp brake shoes 133 against thefaces of drums 88, thereby bringing the shield, together with supportingarms 49 and end plates 52, to a positive stop atthe bottom of the roll.

After the adhesive has been exposed to effect' connection between theleading edge of the reserve roll and the expiring web, the latter issevered and the new web is drawn into the press from roll 29, the reelbeing stopped after roll 29 has moved through pasting position to normalrunning position, which is 180 from the position shown in Fig. 1.'l/Vhen roll 29 is about to expire, the reel is again turned to effect atransfer of the feed to the next roll. During this interval of turningthe core of roll 29 is carried back to the original loading positionduring the course of which movement cam roller 128 (Fig. 9) moves alongthe dwelling portion As the core approaches loading position roller 128strikes shoulder 132 and the turning of shaft 84 thus produced movesstop arms 137 sufiiciently to remove stop pins 139 from brakingengagement with cam pieces 136, this movement also serving to returntrip levers 115 to in operative position. After the core has beencompletely returned to the original loading position, cam roller 128will lie opposite clearance portion 126, thus allowing suflicientturning of hand lever 98 to effect re-setting of the shield.

Although the control of motor 41, which turns the reel, is ordinarilyaccomplished through a convenient push-button station located near thereel, I prefer to provide means for automatically controlling theoperation of said motor so that rotation of the reel to bring thereserve roll to running position will be started at exactly the propertime. The automatic control means for accomplishing this is shown inFig. 2. Power to the motor is supplied from main line wires 149 and 151which connect, respectively, through a switch 152 with wires 153 and 154which lead to the motor. The closing of switch 152 to start rotation ofthe reel as the active roll is about to expire is accomplishedautomatically by means of a relay, the coil of which is indicated at155, and the armature of which is indicated at 156, the latter beingoperatively connected with the arms of switch 152. A switch 157,consisting of a fixed contact 158 and a movable contact carried by apivoted switch arm 159, is normally held in open position by reason ofthe engagement of arm 159 with the running web 32. Switch 157 isconnected in series with relay coil 155, the circuit being from mainline wire 149 through wire 161, switch 157, and wire 162 to coil 155,and thence through wire 163 to the opposite main line wire 151. So longas switch 157 remains open coil is de-energized and main line switch 152remains open. "W hen, however, the running web 32 assumes a more nearlyvertical position, by reason of the reduction in the size of roll 28,arm 159 is urged toward closed position by a spring 164, and when theactive roll is nearing the point of depletion, switch 157 is closed andin turn closes main line switch 152 to start operation of motor 41.

A switch 165, carried by upright 16, cooperates with a pair of camplates 166 and 167, disposed at diametrically opposite points on wormwheel 37, to control operation of motor 41 after it has been initiallystarted through the ciosing of switch 157. Switch includes a fixedcontact 168 and a movable contact carried on an arm 169, the lattercarrying a roller 171 which extends into the path of movement of camplates 166 and 167. So long as roiler 171 engages one or the other ofplates 166 and 167, switch 165 is held in open position. The purpose ofhaving switch 165 is to provide a holding circuit for coil 155 so thatmotor 41 will continue to run even after switch 157 is opened. Thisholding circuit is traced "from main line wire 149 through wire 172,switch 165, wire 178, to a contact 174. the latter being connected to asecond contact 175 through abridge piece 176 which is carried by thearmature 156.

The return from contact 175 is through a wire 177 to coil 155, andthence through wire 163 to the other side of the main line 151.

The operation of this automatic control circuit is as follows: Assumingswitch arm 159 to be in the position shown in Fig. 2, as roll 28 becomesreduced to the core, switch 157 is automatically closed and energizesrelay coil 155, thus closing switch 152 to start the motor, the latteroperating to turn the reel in a counter-clockwise direction, viewingFig. 2. As soon as coil 155 becomes'energized in this manner, bridgepiece 176 is drawn upwardly to connect contacts 174 and 175. As soon asthe reel is turned a slight amount, roller 171 of switch 165 falls fromcam piece 166, thereby closing switch 165 and completing the holdingcircuit through coil 155. Motor 41 is thereafter subject to the controlof switch 165 regardless of the position of switch 157. The reelcontinues to rotate until cam piece 167 comes into engagement withroller 171 at which time switch 165 is opened and main line switch 152is in turn opened because coil 155 becomes deenergized. The motor isthus stopped after the reel has turned through approximately 180,thereby bringing the reserve roll into running position. During thecourse of the turning of the reel the shield release mechanism has beenautomatically actuated by cam means 124 to expose the adhesive and makethe paster as the reserve roll approach-es running position. By the timethe reserve roll has been moved to running position, switch arm 159 isagain opened by the web from the reserve roll and is in readiness tostart an other roll change at the proper time.

The foregoing detailed description has been given for clea-rness ofunderstanding only, and no unnecessary limitations should be understoodtherefrom, but the appended claims should be construed as broadly aspermissible in view of the prior art.

'What 1 regard as new and desire to secure by Letters Patent is: H

1. The method of joining the expiringweb of a roll of paper supplying aprinting press tothe end of the web of'a reserve roll whiehhas beenpreliminarily treated with an adhesive, which comprises bringingthereserve roll upto desired speed while shielding the adhesive thereon bymeans of a protective covering superposed over the treated portion ofthe web and rotatable with the roll,removingsaidprotective covering fromthe adhesive when the reserve roll has attained the desired speed, andproducing pressure between the reserve roll and the web from theexpiring roll, whereby the adhesive is caused to contact with and adhereto the expiring web thus connecting the new web thereto without stoppingthe press.

2.1 The method of joining the expiring web of, a roll of paper supplyinga printing press to the end of the web of a reserve roll which has beenpreliminarily treated with an adhesive, which comprises bringing thereserve roll into engagement with the running web while shielding saidadhesive from contact therewith, thereby bringing the reserve roll up todesired speed by the action of the running web thereon, and removing theshielding means from the adhesive when the active roll is about toexpire, whereby the adhesive is caused to contact with and adhere to theexpiring web thus connecting the new web thereto without stopping thepress.

3. lhe method of uniting the expiring web of a roll of paper supplying aprinting press to the web of a reserve roll, which comprises applying anadhesive to the end of the web of a reserve roll, superposing aprotective covering over the adhesive to prevent contact between thesame and the running web, moving the reserve roll into engagement withthe running web, thereby bringing the reserve roll up to desired speedby the action of the running web thereon, and removing the protectivecovering from the adhesive when the active roll is about to expire,whereby the adhesive is caused to contact with and adhere to theexpiring web thus joining the new web thereto without stopping thepress.

4. The method of joining the webs of successive rolls of paper mountedon a rotatable reel "for supplying a printing press, which comprisesapplying an adhesive to the end of the web of the reserve roll,superposing a shield over the adhesive to .prevent contact between thesame and the running web, turning the reel when the active roll is aboutto expire to bring the reserve roll against the running web, the reserveroll being brought to desired speed by the action of the running webthereon, and removing the shield from the adhesive when the active rollis about to expire, whereby the adhesive is caused to contact with andadhere to the expiring web thus connecting the new Web thereto withoutstopping the press.

5. The method of making pasters between the webs of successive rolls ofpaper supplying a printing press which comprises bringing the reserveroll into engagement with the running web while protecting the latterfrom contact with an adhesive on the reserve roll by means of a shieldsuperposed over the adhesive-treated portion of the web, therebybringing the reserve roll up to desired speed by the action of therunning web thereon, and

releasing said shield while the reserve roll is rotating in contact withthe running web and when the shield is out of contact with the latter,whereby the adhesive is caused to contact with and adhere to theexpiring web thus connecting the new web thereto without stop-.

ping the press.

6. The method of making a high speed paster between the expiring web ofa roll of raeaaae paper supplying a printing press and the end of theweb of a reserve roll which has been preliminarily treated with anadhesive, which comprises bringing the reserve roll up to desired speedwhile shielding the adhesive thereon by means of a protective coveringsuperposed over the treated portion of the web and rotatable with theroll, removing said protective covering from the adhesive when thereserve roll has attained substantially press speed, and producingpressure between the reserve roll and the web from the expiring roll,whereby the adhesive is caused to contact with and adhere to theexpiring web thus connecting the new web thereto without materiallyslowing own the press.

7. The method of making a high speed paster between the expiring web ofa roll of paper supplying a printing press and the end of the web of areserve roll which has been preliminarily treated with an adhesive,which comprises bringing the reserve roll into engagement with therunning web while shielding said adhesive from contact therewith,thereby bringing the reserve roll up to desired speed by the action ofthe running web thereon, and removing the shielding means to allow saidadhesive to contact with and adhere to the expiring web when the reserveroll has attained substantially press speed thus connecting the new webto the expiring web without materially slowing down the press.

8. Apparatus for making pasters between the webs of successive rolls ofpaper supplying a printing press comprising, in comblnation, a movablesupport for an active roll and a reserve roll, means for moving saidsupport to bring the reserve roll into pressure contact with the runningweb, means for shielding an adhesive on the reserve roll from contactwith the running web while the reserve roll is rotating in contacttherewith, and means for releasing said shielding means as the runningweb is about to expire, whereby the adhesive is caused to contact withand adhere to the expiring web thus transferring the feed to'the reserveroll without stopping the press.

9. Apparatus for making pasters between the webs of successive rolls ofpaper supplying a printing) 1press comprising, in combination, a mova esupport for an active roll and a reserve roll, means for moving saidsupport to bring the reserve roll into .pressure contact with the runninweb and bringing the reserve roll up to desired speed by the action ofthe running web thereon, means for shielding an adhesive on the reserveroll from contact with the running web while the reserve roll isrotating in contact therewith, and means for releasing said shieldingmeans as the running web is about to expire, whereby the adhesive iscaused to contact with and adhere to the expiring web thus transfterripgthe iteed to the reserve roll without stopping the press.

10. Apparatus for malring nasters between the webs of successive rollsoi: paper supplying a printing press comprising, in combina tion, amovable support "for an active roll and a reserve roll, means "formoving said support to bring the reserve roll into pressure contact withthe running web, means for shielding an adhesive on the reserve rollfrom contact with the running web while the reserve roll is rotating incontact therewith, and means operative when the active roll is about toexpire to release said shielding means while the reserve roll isrotating in contact with the expiring web and when the shield is out ofcontact with the latter, whereby the adhesive is caused to contact withand adhere to the expiring web thus transterring the feed to the reserveroll without etc ping the press.

11. E pparatus for making past/ere between the webs of successive rollsor paper supplying a printing press comprising, in combination, amovable support for an active roll and a reserve roll, means for movingsaid support to bring the reserve roll into pressure contact with therunning web, means for shielding an adhesive on the reserve roll fromcontact with the running web while the reserve roll is rotating incontact therewith, means for releasing said shielding means as therunnin web is about to, expire, whereby the adhesive is caused tocontact with and adhere to the expiring web thus transferring the feedto the reserve roll without stopping the press, and

means controlled by themovementot the roll support "for timing theoperation of said shield releasing means.

12. Apparatus -tor making pasters between" the webs of successive rollsof paper supplying a printin press comprising, in combination, a mova lesupport for an active roll and a reserve roll, means for moving saidsupport to bring the reserve roll into pressure contact with the runningweb, means for shielding an adhesive on the reserve roll from contactwith the running web while the reserve roll is rotating in contacttherewith, means for releasing said shielding means as the running webis about to expire, whereby the adhesive is caused to contact with andadhere to the expiring web thus transferring the feed to the reserveroll without stopping the press, means controlled by the movement of theroll support for timing the operation of said shield releasing means,and means for automatically starting movement of the roll support tobring the reserve roll into pasting position, when the active rollbecomes reduced to a predetermined diameter.

13. Apparatus for makin a paster between the expiring web of a r0 1 ofpaper sup plying. a printing press and the end of the web of a reserveroll which has been preliminarily treated with an adhesive comprising,in combination, a movable support for w an active roll and a reserveroll, means for moving said support to bring the reserve roll intopressure contact with the running web,

the reserve roll without stopping the press. a

14;. Apparatus for making a paster between the expiring Web of a roll ofpaper supplying a printingpress and the end of the web of a reserve rollwhich has been preliminarily treated with an adhesive comprising, incombination, a rotatable reel for supporting an active roll and areserve roll, means for turning said reel to bring the reserve roll intopressure contact with the running web, means for shielding the adhesivefrom contact with the running web while the reserve roll is rotatingin'contact therewith, and means for releasing said shielding means asthe running web is about to expire, whereby the adhesive is caused tocontact with and ad here to the expiring web thus transferring the teedto the reserve roll without stopping the press. I L

15. Apparatus for makingpasters between the webs of successive rolls oi?paper supplying a printing press comprising, in combination, a movablesupport for an'active roll and a reserve roll, means for moving saidsupport to bring the reserve rollinto pressure contact with the runningweb, a shield for covering an adhesive on the reserve roll to preventthe running web from contacting with theadhesive while thereserve rollis engaging the web, means for releasahly clamping said shield againstthe roll, said means being carried by the roll support and adaptedtorotate with the roll and the shield when the latter is in the clampedposition,

ice

trip mechanism for operating said clamping means to release tlie shieldwhile the reserve roll is rotating in contact with the running web, andas the latter is about to expire, whereby the adhesive is caused tocontact 'with and adhere to the expiring web thus transferring the feedto the-reserve roll without stopping the press, and brake means 0perableupon the release of the shield to bring the latter, together with theclamping means therefor, to rest in a position avoiding interferencewith the web feed.

16. Apparatus for making asters between the webs of successive rolls opaper supplying a printing press com rising, in combination, a movablesupport or an active roll and a reserve roll, means for moving saidsupport to bring the reserve roll into ressure contact with the runningweb, a shield for covering an adhesive on the reserve roll to preventthe running web from contacting with the adhesive while the reserve rollis engaging the web, means for releasably clamping said shield a ainstthe roll, said means be ng carried by t e roll support and adapted torotate with the roll and the shield when the latter is in the clampedposition, trip mechanism for operating said clamping means to releasethe shield while the reserve roll is rotating in contact with therunning web, and as the latter is about to expire, whereby the adhesiveis caused to contact with and adhere to the expiring web thustransferring the feed to the reserve roll without stopping the press,and manually operable ineans for setting the shield clamping means inclampin position.

17. Apparatus or supplying paper to a printing press comprising amovable support for an active roll and a reserve roll, means for movingsaid support to bring the reserve roll from loadin tion, a shield forpreventing an adhesive on the reserve roll from contacting with therunning web while the-reserve rol is rotating in contact therewithpreparatory to making a paster means for removing said shield to exposethe adhesive to contact with the running web asthe latter is about toexpire, thereby joinin out stopping t e press, means controlled by themovement of the roll support for timing the operation of said shieldremoving means, means for automatically starting movement of the roll suport when the active roll becomes reduced to a predetermined diameter,

and means for automatically stopping movement of the support after thelatter passes through the position which efiects removal of the shield.

18. Apparatus for makin pasters between the webs of successive rol s ofpaper supplying a printing press comprising in comination, a movablesupport for an active roll and a reserve roll, means for shielding anadhesive on the reserve roll while the lat- I ter is being brought up todesired speed prearatory to makmg a paster, said means bemg rotatablewith said reserve roll, means I for releasing said shielding means aftersuch speed is attained, and means for producing pressure between thereserve roll and the running web, whereby the adhesive is caused tocontact with and adhere to the expiring web thus transferring the feedto the reserve roll without sto ping the ress. a

In witness w ereof I ereunto subscribe my name to this specilication.

LOYD M. STRAND.

to running posi- I the new web thereto with

